Casati, Paolo, Terra machinis mota : dissertationes geometricae, mechanicae physicae hydrostaticae

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1ſectum à Ptolemæis Euergete, Philopatore,
& Epiphane, vſum fuiſſe menſurâ Ægyptijs
tunc familiari, pede nimirum Alexandrino,
atquè adeò etiam ſtadio, quod ille metieba­
tur. Hinc fit ſtadia illa 300 reſpondere paſ­
ſibus Romanis 43200: arcum verò OK eſſe
paſſ Rom. 21600. Igitur ſi fiat vt arcus OK
à te nuper inuentus ſcrupulorum Quart.
3237367 ad paſſ. Rom. 21600, ita tota pe­
ripheria ſcrup. Quart. 4665600000. ad paſſ.
Rom. 31.129297, erit multo maior terræ
ambitus, quàm à te fuerit deprehenſus.
XIX
Terræ am­
bitus, & dia­
meter.
XXI
Stadium A­
lexandri­
num.
Sed & conſtitutam à Tychone Solis di­
ſtantiam, nimis breuibus terminis defini­
tam exiſtimant Recentiores Aſtronomi, So­
lemque altiùs promouendum cenſent, vt ſi­
bi inuicem phœnomena omnia ritè reſpon­
deant. Certè P. Io. Baptiſta Ricciolius no­
ſtræ Societatis, qui iam annos plures in A­
ſtronomiæ inſtauratione feliciter deſudat,
Solem Apogæum à telluris centro remouet
ſemidiam. terr. 7580., & Solis Apogæi dia­
metrum apparentem ſtatuit Tychonicâ ma­

iorem, nimirùm gr.o.m.30.ſec.30. Qua­
rè ſi angulus SOT ſit gr.o.m.15.ſec.15.,
complementum TSO eſt gr.89.min.44.
ſec.45., cuius Secans, SO 22551105.10158,
quarum partium Radius ST eſt 100000.

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